42113535322531 has 2 divisors, whose sum is σ = 42113535322532. Its totient is φ = 42113535322530.

The previous prime is 42113535322513. The next prime is 42113535322567. The reversal of 42113535322531 is 13522353531124.

Together with previous prime (42113535322513) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42113535322531 - 2²³ = 42113526933923 is a prime.

It is a super-2 number, since 2×42113535322531² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42113535322511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21056767661265 + 21056767661266.

It is an arithmetic number, because the mean of its divisors is an integer number (21056767661266).

Almost surely, 2^{42113535322531} is an apocalyptic number.

42113535322531 is a deficient number, since it is larger than the sum of its proper divisors (1).

42113535322531 is an equidigital number, since it uses as much as digits as its factorization.

42113535322531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 324000, while the sum is 40.

Adding to 42113535322531 its reverse (13522353531124), we get a palindrome (55635888853655).

The spelling of 42113535322531 in words is "forty-two trillion, one hundred thirteen billion, five hundred thirty-five million, three hundred twenty-two thousand, five hundred thirty-one".